**Opik Dashboard**:

- You can now add comments to your traces allowing for better collaboration:

<Frame>
  <img src="/img/changelog/2025-02-24/comments_sidebar.png" />
</Frame>

- Added support for [OpenRouter](https://openrouter.ai/) in the playground - You can now use over 300 different
  models in the playground !

<Frame>
  <img src="/img/changelog/2025-02-24/openrouter_playground.png" />
</Frame>

**JS / TS SDK**:

- Added support for JSON data format in our OpenTelemetry endpoints
- Added a new `opik healthcheck` command in the Python SDK which simplifies the debugging of connectivity issues
